<%@ page language="java" contentType="text/html; charset=UTF-8"
	pageEncoding="UTF-8"%>
	<%@ include file="../baselayout/import.jsp"%>
<!DOCTYPE html>
<html>
<head>
    <title>Java后端WebSocket</title>
    <script type="text/javascript" src="${staticPath}/asset1/js/jquery-1.11.1.min.js"></script>
    <script type="text/javascript" src="${staticPath}/assets/js/ipcOperation.js"></script>	
</head>
<body>
    Welcome<br/><input id="text" type="text"/>
    <button onclick="send()">发送消息</button>
    <hr/>
    <button onclick="testInitSDK()">初始化sdk</button>
    <button onclick="serchDevice()">搜索设备</button>
    <button onclick="startAlarmListen()">开启报警监听</button>
    <button onclick="stopAlarmListen()">关闭报警监听</button>
    <button onclick="ipcLogin()">登录ipc</button>
    <hr/>
    <div id="message"></div>
</body>

<script type="text/javascript">
    var websocket = null;
    //判断当前浏览器是否支持WebSocket
	var loc = window.location, new_uri;
	if (loc.protocol === "https:") {
	    new_uri = "wss:";
	} else {
	    new_uri = "ws:";
	}
	new_uri += "//" + loc.host;
	new_uri += "/holliot/websocket/2/index";
    if ('WebSocket' in window) {
      //  websocket = new WebSocket("ws://localhost:8080/holliot/videoWebsocket");
    	websocket = new WebSocket(new_uri);
    }
    else {
        alert('当前浏览器 Not support websocket')
    }

    //连接发生错误的回调方法
    websocket.onerror = function () {
        setMessageInnerHTML("WebSocket连接发生错误");
    };

    //连接成功建立的回调方法
    websocket.onopen = function () {
        setMessageInnerHTML("WebSocket连接成功");
    }

    //接收到消息的回调方法
    websocket.onmessage = function (event) {
        setMessageInnerHTML(event.data);
    }

    //连接关闭的回调方法
    websocket.onclose = function () {
        setMessageInnerHTML("WebSocket连接关闭");
    }

    //监听窗口关闭事件，当窗口关闭时，主动去关闭websocket连接，防止连接还没断开就关闭窗口，server端会抛异常。
    window.onbeforeunload = function () {
        closeWebSocket();
    }

    //将消息显示在网页上
    function setMessageInnerHTML(result) {
    	if(result.indexOf("initial")){
    		//初始化SDK成功
    	}else if(result.indexOf("device")){
    		//搜索的设备信息
    	}
    	else if(result.indexOf("alarm")){
    		//监听到的警告信息
    		//开启录像功能
    		websocket.send("shooting")
    	}
    	else if(result.indexOf("video")){
    		//接收到的视频流信息
    	}
        document.getElementById('message').innerHTML += result + '<br/>';
    }

    //关闭WebSocket连接
    function closeWebSocket() {
        websocket.close();
    }

    //发送消息
    function send() {
        var message = document.getElementById('text').value;
        websocket.send(message);
    }
    //初始化
    function testInitSDK(){
    	websocket.send("initial");
    }
    //搜索设备
    function serchDevice() {
        websocket.send("serchDevice");
    }
    //开启监听
    function startAlarmListen() {
        websocket.send("startAlarmListen");
    }
    //关闭监听
    function stopAlarmListen() {
        websocket.send("stopAlarmListen");
    }
</script>
</html>